Merged in Selenium optimizations from http://github.com/gannett/jasmine branch. Updated json2 to latest.

lib/json2.js

@@ -1,6 +1,6 @@
 /*
     http://www.JSON.org/json2.js
-    2008-11-19
+    2009-08-17
 
     Public Domain.
 
@@ -33,7 +33,7 @@
             value represented by the name/value pair that should be serialized,
             or undefined if nothing should be serialized. The toJSON method
             will be passed the key associated with the value, and this will be
-            bound to the object holding the key.
+            bound to the value
 
             For example, this would serialize Dates as ISO strings.
 
@@ -146,8 +146,6 @@
 
 /*jslint evil: true */
 
-/*global JSON */
-
 /*members "", "\b", "\t", "\n", "\f", "\r", "\"", JSON, "\\", apply,
     call, charCodeAt, getUTCDate, getUTCFullYear, getUTCHours,
     getUTCMinutes, getUTCMonth, getUTCSeconds, hasOwnProperty, join,
@@ -155,12 +153,15 @@
     test, toJSON, toString, valueOf
 */
 
+"use strict";
+
 // Create a JSON object only if one does not already exist. We create the
 // methods in a closure to avoid creating global variables.
 
 if (!this.JSON) {
-    JSON = {};
+    this.JSON = {};
 }
+
 (function () {
 
     function f(n) {
@@ -172,12 +173,13 @@ if (!this.JSON) {
 
         Date.prototype.toJSON = function (key) {
 
-            return this.getUTCFullYear()   + '-' +
+            return isFinite(this.valueOf()) ?
+                   this.getUTCFullYear()   + '-' +
                  f(this.getUTCMonth() + 1) + '-' +
                  f(this.getUTCDate())      + 'T' +
                  f(this.getUTCHours())     + ':' +
                  f(this.getUTCMinutes())   + ':' +
-                 f(this.getUTCSeconds())   + 'Z';
+                 f(this.getUTCSeconds())   + 'Z' : null;
         };
 
         String.prototype.toJSON =
@@ -222,7 +224,6 @@ if (!this.JSON) {
 
 
     function str(key, holder) {
-
 // Produce a string from holder[key].
 
         var i,          // The loop counter.
@@ -351,7 +352,6 @@ if (!this.JSON) {
 
     if (typeof JSON.stringify !== 'function') {
         JSON.stringify = function (value, replacer, space) {
-
 // The stringify method takes a value and an optional replacer, and an optional
 // space parameter, and returns a JSON text. The replacer can be a function
 // that can replace values, or an array of strings that will select the keys.
@@ -475,4 +475,4 @@ replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) {
             throw new SyntaxError('JSON.parse');
         };
     }
-})();
+}());